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IEEJ Transactions on Sensors and Micromachines最新文献

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研究室だより：東京工科大学 工学部 電気電子工学科 荒川研究室（バイオ計測工学研究室） 研究室だより：東京工科大学 工学部 電気電子工学科 荒川研究室（バイオ計測工学研究室）
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.nl11_3
貴博 荒川
{"title":"研究室だより：東京工科大学 工学部 電気電子工学科 荒川研究室（バイオ計測工学研究室）","authors":"貴博 荒川","doi":"10.1541/ieejsmas.143.nl11_3","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.nl11_3","url":null,"abstract":"","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"74 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Snリフローを適用したドーム型金型の加工プロセス 应用Sn回流的圆顶模具加工工艺
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.372
Takanori Aono, Masatoshi Kanamaru, Yasuhiro Yoshimura
{"title":"Snリフローを適用したドーム型金型の加工プロセス","authors":"Takanori Aono, Masatoshi Kanamaru, Yasuhiro Yoshimura","doi":"10.1541/ieejsmas.143.372","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.372","url":null,"abstract":"Recently, three-dimensional cell culture methods are focused on the fields of drug discovery and regenerative medicine. In the three-dimensional cell culture methods, cells are incubated to stereoscopic cellular structure (cellular spheroids) and metabolic organs, which are absorption tubes and excretory organs, are formed between cells. The metabolic organs are functional for drug metabolism in the tissue engineering. Conventional three-dimensional cell culture methods are used by nanoimprinted vessel, which are fabricated by a mold tool with Micro Electro Mechanical Systems (MEMS) processes, i. e. deposition, photolithography, and etching. Accordingly, the nanoimprinted vessels have very simple shapes, which are rectangular prism and cylinder. However, cells are not summarized in the center of the vessels, and the cellular spheroids are not efficiently incubated.This paper represents the fabricating method of dome-shaped vessels for efficient cell culture systems. In the three-dimensional cell culture, the dome-shaped vessels make it easy to collect the cells in the center of the vessels. However, the fabricating dome-shaped vessels are difficult to fabricate with only MEMS processes. To overcome this problem, the semiconductor post-process is applied to the fabricating process of dome-shaped vessels. The solder bump, which is connected between the semiconductor device and the external board, are easily formed to dome-shaped structure by reflow method. The dome-shaped mold tool, which solder bumps are plated on the substrate, is replicated to the resin.","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cuff-less Blood Pressure Estimation Using Hetero-core Optical Fibers 基于多芯光纤的无袖带血压测量
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.365
Yuya Koyama, Hiroki Kamada, Kazuhiro Watanabe, Michiko Nishiyama
{"title":"Cuff-less Blood Pressure Estimation Using Hetero-core Optical Fibers","authors":"Yuya Koyama, Hiroki Kamada, Kazuhiro Watanabe, Michiko Nishiyama","doi":"10.1541/ieejsmas.143.365","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.365","url":null,"abstract":"In this study, we proposed a cuff-less blood pressure measurement using a medical tape sensor with an embedded hetero-core optical fiber. The tape sensor pasted on the skin can directly detect pulse wave signals with a simple measuring device. Pulse transit time (PTT) was obtained from the time difference between the two pulse waveforms at the neck and foot. Systolic blood pressure (SBP) was estimated from PTT and the regression equation. The result shows that the maximum prediction error was 3.8 mmHg in five healthy young subjects. The SBP data were evaluated using a Bland-Altman method to assess the agreement of SBP data estimated by the proposed method with those measured by the cuff-based electronic sphygmomanometer. The mean ±1.96 standard deviation of the estimated SBP against the reference was -1.3±5.1 mmHg. The results show that the proposed non-invasive blood pressure measurement method can measure blood pressure, and its accuracy is comparable to that of the cuff-based electronic sphygmomanometer.","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"61 1-2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of Humidity Sensor using α-Fe<sub>2</sub>O<sub>3</sub> as a Humidity-sensitive Material α-Fe&lt;sub&gt;2&lt;/sub&gt; 0 &lt;sub&gt;3&lt;/sub&gt;作为湿度敏感材料
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.351
Kosuke Naito, Kyohei Sasaki, Noriaki Ikenaga
{"title":"Study of Humidity Sensor using α-Fe&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt; as a Humidity-sensitive Material","authors":"Kosuke Naito, Kyohei Sasaki, Noriaki Ikenaga","doi":"10.1541/ieejsmas.143.351","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.351","url":null,"abstract":"In this study, iron oxide thin films are prepared under various heat treatment conditions, and their crystal structures and moisture-sensitive characteristics were evaluated to clarify the usefulness of iron oxide thin films as humidity-sensitive materials for humidity sensors. In addition, the possibility of a humidity sensor with a wide dynamic range was investigated by evaluating the relationship between the film thickness of the iron oxide thin film, the electrode width of the device, and the humidity-sensitive characteristics. As a result, it was found that the crystal structure of α-Fe2O3 exhibits relatively good humidity sensitivity compared to other crystal structures, and that the sensitivity to humidity can be adjusted by appropriately selecting the electrode width and film thickness of the device. Therefore, the α-Fe2O3 thin film may be useful as a moisture-sensitive material for wide dynamic range humidity sensors by appropriately adjusting the film thickness and electrode width.","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"89 2-3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
国際会議報告：The 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023) 国際会議報告 国际会议报告：The 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023) 国际会议报告
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.nl11_1
妙子 安藤
{"title":"国際会議報告：The 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023) 国際会議報告","authors":"妙子 安藤","doi":"10.1541/ieejsmas.143.nl11_1","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.nl11_1","url":null,"abstract":"","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"104 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
特集号の論文募集（「ヒト感性デバイスのための機能性材料と応用技術」特集／「化学物質の高次センシングと解析技術」特集／センサ・マイクロマシン英文特集号） 专刊论文征集(“人类感性装置的功能性材料与应用技术”专刊/“化学物质的高阶传感与分析技术”专刊/传感器微机器英文专刊)
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.nl11_4
{"title":"特集号の論文募集（「ヒト感性デバイスのための機能性材料と応用技術」特集／「化学物質の高次センシングと解析技術」特集／センサ・マイクロマシン英文特集号）","authors":"","doi":"10.1541/ieejsmas.143.nl11_4","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.nl11_4","url":null,"abstract":"","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"97 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
「匂い・味に関するセンシングおよび提示技術」 “关于气味、味道的感知及提示技术”
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.337
Haruka Matsukura
{"title":"「匂い・味に関するセンシングおよび提示技術」","authors":"Haruka Matsukura","doi":"10.1541/ieejsmas.143.337","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.337","url":null,"abstract":"生物嗅覚の仕組みを模倣して匂いを識別する嗅覚センシングシステムe-nose（electronic nose）は，食品や香料の品質管理から医療診断，危険物の検知，宇宙ステーション内の空気環境モニタリングなど様々な場面において応用が期待され，実用化に向けて多方面から研究が推進されてい","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"48 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of Odor Blending for 20-component Olfactory Display 20组分嗅觉显示的气味混合优化
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.338
Hiroto Hayashi, Dani Prasetyawan, Masaaki Iseki, Takamichi Nakamoto
{"title":"Optimization of Odor Blending for 20-component Olfactory Display","authors":"Hiroto Hayashi, Dani Prasetyawan, Masaaki Iseki, Takamichi Nakamoto","doi":"10.1541/ieejsmas.143.338","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.338","url":null,"abstract":"An olfactory display is a device that presents an odor to the user. In this research, odor components were used to reproduce a variety of scents by blending them at the specified ratio. A perfume is supplied from an electroosmotic pump to a microdispenser, and the multiple odor components ejected from the microdispensers are atomized by the surface acoustic wave device to produce the blended odor. Digital-to-Analog converter was introduced to promote automation and jigs were improved for convenience. A total of 21 solenoid valve droplet volumes were investigated, and it was found that the performance of the solenoid valves and the discharge volume differed for each solenoid valve. We then verified through sensory test whether calibration of the droplet volume is necessary, and found that it is better to compensate for the droplet volume for smell presentation.","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"22 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEJ Sensors and Micromachines Society 传感器与微机械学会
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.l11_1
{"title":"IEEJ Sensors and Micromachines Society","authors":"","doi":"10.1541/ieejsmas.143.l11_1","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.l11_1","url":null,"abstract":"","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"51 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
深層学習を用いた屋外環境のガス源探索 使用深度学习的室外环境气源搜索
IEEJ Transactions on Sensors and Micromachines Pub Date : 2023-11-01 DOI: 10.1541/ieejsmas.143.357
Gao-ju Zhao, Motoki Sakaue, Haruka Matsukura, Hiroshi Ishida
{"title":"深層学習を用いた屋外環境のガス源探索","authors":"Gao-ju Zhao, Motoki Sakaue, Haruka Matsukura, Hiroshi Ishida","doi":"10.1541/ieejsmas.143.357","DOIUrl":"https://doi.org/10.1541/ieejsmas.143.357","url":null,"abstract":"The aim of this research project is to attain accurate gas-source localization in outdoor environments with large wind fluctuations. For this purpose, we propose to use a long short-term memory deep-learning framework to time-series data collected by a sensor network consisting of multiple gas sensors and an anemometer. This paper describes impacts of the length of time-series data and smoothing of wind data provided to a deep neural network model. We have collected three datasets by placing 30 semiconductor gas sensors and one ultrasonic anemometer in an outdoor field in different seasons. We have found that the success rate of gas-source location estimation can be effectively increased by removing high frequency fluctuations in the time-series data of the wind velocity vector by taking moving average before applying the data to the neural network. By adjusting the data length provided to the neural network and smoothing the wind data, the success rate of gas-source location estimation has been increased from 82.5% to 86.7%. A success rate of 78.8% has been obtained even when half of the gas sensors have been removed.","PeriodicalId":53412,"journal":{"name":"IEEJ Transactions on Sensors and Micromachines","volume":"8 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135162298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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